Recommended Low-Cost Modbus RTU Mixed-Signal Remote I/O Module
Seeking recommendations for a simple, low-cost Modbus remote I/O module w/ analog I/O, digital I/O, 2A+ relays
Is there any option for restarting/resetting TWIDO PLC TWDLMDA20DRT?
%M reading with Premium limited to 16bits
Cannot read more than 16 bits on a PRemium with READ_VAR command
By d on 22 April, 2017 - 7:13 am
How many bits does the analog to digital converter use? From your test, apparently 16 bits......
PIN details For Messung PLC
Posted by Ajaz parvez on 7 July, 2015 - 7:41 am
Looking for PIN details of communication cable for Messung PLC
By Anil patil on 21 April, 2017 - 8:32 pm
I need an information PIN details of communication cable for Messung PLC CPU 2210, Nexgen....
Wiring Up 7 Emergency Stops on a Conveyor
Looking for a diagram for wiring emergency stops on a conveyor.
By d on 6 April, 2017 - 2:59 am
Without the ladder or Logic drawing of the plc controls it is not possible to properly assess what...
By Shakopee on 5 April, 2017 - 6:50 pm
I only see six stop switches, two sets of 3. Could be the input is not properly programmed for the...
By d on 30 March, 2017 - 2:33 pm
It is a matter of what is meant by e-Stop. A simple PLC (non-redundant) shut-off does not...
Modicon 984 Model 685 Modbus Plus Address
I am trying to set the Modbus Plus Address on a Modicon 984 685 PLC.
By Bob Peterson on 20 April, 2017 - 3:41 pm
http://126.96.36.199/techlib/Modicon/Modicon%20Controller-Prog-E984-685 .pdf -- Bob ...
Error Sending/Receiving HART commands (SFB52/53): "Faulty, Without Data"
Trying to send HART commands to measurement device via SFB52/53 - blocks indicate proper transfer, but response message indicates unknown error.
Bytes Missing Error Followed by Timeout
Bytes missing error followed by timeout after Modbus poll
Need Advice in Choosing a New SCADA Package
I need Pros and Cons concerning the SCADA Packages that will fit my needs.
By James Ingraham on 13 April, 2017 - 12:11 pm
First, I think all of the majors will do what you need, with the possible exception of talking to...
In my current project the current HMI is being removed and all control will be done via DeltaV this has been largely implemented.
PRD Mode on Yokogawa Centum VP
Is there a way to disable the Primary Direct (PRD) mode on Yokogawa DCS (Centum VP or Centum CS3000)?
Retriving Data from Mettler Toledo 1769-ASCII to IND560 Interface
Retrieving weight data from a Mettler Toledo to a CompactLogix 5370 processor.
The top most used PLC systems around the world
Posted by Johan Bengtsson on 26 January, 2000 - 3:21 pm
We are going to greatly extend the number of different PLCs simulated in our educational software. What types and brands of PLC are most used in different parts of the world?
Phoenix relay in PLC output getting stuck..
By Bob Peterson on 7 April, 2017 - 10:37 am
It is hard to give you much in the way of good advice w/o better information. However, I can make...
Simulation Control Environment
Simulation Control Environment Problem
how do i scale an analog input? Please explain everything in steps with some examples.
Configure Woodward PLC to Work with IGS Driver
Help connecting Woordward MicroNet PLC to IGS driver.
By James Volk on 5 April, 2017 - 1:17 pm
The Woodward WDE driver is a Woodward implementation of Modbus Over UDP, Standard modbus over...
Jenbacher Diane XT Sudden Reboot Problem
Problem with GE Jenbacher generators where Jenbacher Diane XT installed on all 3 control panels of the generators suddenly reboot.
Variable Speed Drive for Pump Control
Variable speed pump and control
on 3 April, 2017 - 9:57 am
OmerASD, as you mentioned there's internal PID controller in VFD. so can I used to replace the...
Differences between Servo and Vector PLCs
Differences between Servo PLC and Vector PLC and between Servo Inverter and Vector Inverter
By James Ingraham on 3 April, 2017 - 9:54 am
JRaef2, I love your explanation. One slight detail, modern vector drives are capable of running...
Looking for a BLU 100-D motion controller
Configuring Altivar 12 Remotely Using Logic Inputs
I am really lost with all the settings needed to get an Altivar 12 working the way I want it to do..
Modbus RTU on Allen Bradley MicroLogix 1400
Modbus RTU with MicroLogix 1400 as master and Eurotherm controllers as slave. Communication is slow or stops when one or more slave is off or error.
Adding an Ethernet/IP Adapter to Micrologix 1400 PLC
Looking for a procedure to add an Ethernet/IP adapter device to Micrologix 1400 PLC configuration
TRICONEX 3806E AO Card Issues
TRICONEX AO CARD 3806E load fuse error